APA
National Federation of Building Trades Employers, . (1978). Sub-contract for use where the sub-contractor is nominated under the 1963 edition of the Standard Form of Building Contract issued by the Joint Contracts Tribunal. London: National Federation of Building Trades E.
Chicago
National Federation of Building Trades Employers, . 1978. Sub-contract for use where the sub-contractor is nominated under the 1963 edition of the Standard Form of Building Contract issued by the Joint Contracts Tribunal. London: National Federation of Building Trades E.
Harvard
National Federation of Building Trades Employers, . (1978). Sub-contract for use where the sub-contractor is nominated under the 1963 edition of the Standard Form of Building Contract issued by the Joint Contracts Tribunal. London: National Federation of Building Trades E.
MLA
National Federation of Building Trades Employers, . Sub-contract for use where the sub-contractor is nominated under the 1963 edition of the Standard Form of Building Contract issued by the Joint Contracts Tribunal. London: National Federation of Building Trades E. 1978.